Key Features
- 20 Watt RMS Power Handling
- 4 Ohm Nominal Impedance
- 80 to 4,600 Hz Frequency Response
- Copper Voice Coil
- 15 oz. Ferrite Magnet
Description
8" Hemp Cone Guitar Driver, 4 Ohm, 20 Watt
4 ohm hemp cone speaker with rich, warm, full bodied tone with fat, punchy lows, smooth, but defined highs, and a nice break up. Prominent mids, but with a warm, smooth texture.
Features:
- Hemp cone 8" guitar speaker with rich, full bodied tone
- Great replacement speaker for the Fender Champ
- Designed and assembled in the USA
- 7-year manufacturer's warranty
- Series: Patriots
- Model: 820H
- Application: 8" Open or Closed Back
- Configuration: 1, 2, or 4 X 8"
- Low End Response: Aggressive
- Low End Shape: Fat
- Mid-Range Response: Moderate
- Mid-Range Shape: Warm
- High-End Response: Moderate
- Volume/Power: Loudest
- Overall Coloration*: A rich, warm, full bodied tone that emulates a larger cone, with fat, punchy lows, smooth, but defined highs, and a nice break up. The mids are prominent, but with a warm, smooth texture.
- Break-up Modes: Medium
- Power Range: Up to 20 watts
- Instrument*: Lead/Rhythm Guitar, Harmonica
- Genre of Music*: Jazz, Rock, Country, and Blues
Specifications:
- SPECIFICATION
- Nominal Basket Diameter: 8", 203.2mm
- Nominal Impedance*: 4 ohms
- Power Rating**
- Watts: 20W
- Music Program: N/A
- Resonance: 143.55Hz
- Usable Frequency Range: 80Hz - 4.6kHz
- Sensitivity***: 96.1dB
- Magnet Weight: 15 oz.
- Gap Height: 0.25", 6.35mm
- Voice Coil Diameter: 1", 25.4mm
- THIELE & SMALL PARAMETERS
- Resonant Frequency (fs): 143.55Hz
- DC Resistance (Re): 3.64
- Coil Inductance (Le): 0.33mH
- Mechanical Q (Qms): 18.78
- Electromagnetic Q (Qes): 0.92
- Total Q (Qts): 0.88
- Compliance Equivalent Volume (Vas): 9.62 liters / 0.34 cu.ft.
- Peak Diaphragm Displacement Volume (Vd): 36.7cc
- Mechanical Compliance of Suspension (Cms): 0.13mm/N
- BL Product (BL): 5.74 T-M
- Diaphragm Mass Inc. Airload (MMs): 9.25 grams
- Efficiency Bandwidth Product (EBP): 155.7
- Maximum Linear Excursion (Xmax): 1.59mm
- Surface Area of Cone (Sd): 230.9 cm2
- Maximum Mechanical Limit (Xlim): 0mm
- MOUNTING INFORMATION
- Recommended Enclosure Volume
- Sealed: N/a
- Vented: N/a
- Driver Volume Displaced: 31.12 cu.in. / 0.51 liters
- Overall Diameter: 8.24", 209.3mm
- Baffle Hole Diameter: 7.13", 181.1mm
- Front Sealing Gasket: Fitted as standard
- Rear Sealing Gasket: N/A
- Mounting Holes Diameter: 0.22", 5.58mm
- Mounting Holes B.C.D.: 7.75", 193.85mm
- Depth: 3.06", 77.72mm
- Net Weight: 3.1 lbs, 1.41 kg
- Shipping Weight: 3.9 lbs, 1.77 kgs
- MATERIALS OF CONSTRUCTION
- Coil Construction: Copper voice coil
- Coil Former: Polyimide former
- Magnet Composition: Ferrite magnet
- Core Details: None-vented core
- Basket Materials: Pressed steel basket
- Cone Composition: Paper cone
- Cone Edge Composition: Full paper cone
- Dust Cap Composition: Zurette dust cap